* {
	margin: 0;
	padding: 0;
}

html,
body {
	width: 100%;
	height: 100%;
	overflow: hidden;
}

.main {
	margin: auto;
	height: 100%;
	background: url(../images/bg.jpg) repeat-y;
	background-position-y: 0px;
	/*background-position: 0px 1px;*/
	width: 480px;
	position: relative;
}

.options {
	position: absolute;
	list-style: none;
	margin: auto;
	left: 0;
	right: 0;
	top: 200px;
	width: 200px;
	height: 300px;

}

.options li {
	border-radius: 5px;
	box-shadow: 0 0 2px 1px black;
	float: left;
	width: 200px;
	height: 55px;
	text-align: center;
	line-height: 55px;
	margin-bottom: 20px;
	background: #f40;
	color: white;
	font: "微软雅黑";
	font-size: 28px;
	cursor: pointer;
}

.logo {
	position: absolute;
	left: 0;
	right: 0;
	top: 50px;
	margin: auto;
	width: 428px;
	height: 104px;
	background: url(../images/logo.png) no-repeat;
}

.loading {
	position: absolute;
	left: 0;
	right: 0;
	top: 50%;
	margin: auto;
	width: 192px;
	height: 41px;
	background: url(../images/loading1.png) no-repeat;
}

.my-warplain {
	position: absolute;
	width: 98px;
	height: 122px;
	background: url(../images/me.png) no-repeat;
}

.bullet {
	position: absolute;
	width: 7px;
	height: 18px;
	background: url(../images/bullet.png) no-repeat;
}

.bullet_die {
	position: absolute;
	width: 41px;
	height: 39px;
	background: url(../images/die1.png) no-repeat;
}

.enemy-small {
	position: absolute;
	width: 59px;
	height: 36px;
	background: url(../images/plane1.png) no-repeat;
}

.enemy-middle {
	position: absolute;
	width: 70px;
	height: 92px;
	background: url(../images/plane2.png) no-repeat;
}

.enemy-large {
	position: absolute;
	width: 165px;
	height: 256px;
	background: url(../images/plane3.png) no-repeat;
}

.weapon {
	position: absolute;
	width: 59px;
	height: 103px;
	left: 0;
	top: 0;
	background: url(../images/weapon.png) no-repeat;
}